Know Your Environment. Protect Your Health.

MTBE

Midland-lonaconing

MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 13 ppb

The EWG Health Guideline of 13 ppb for MTBE was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-25E18003852001ND
2018-04-25E18003852004ND
2018-04-25E18003852006ND
2019-07-02E20000037004ND
2019-07-02E20000037006ND
2019-07-02E20000037008ND
2020-05-27E20003665001ND
2020-05-27E20003665004ND
2020-05-27E20003665006ND
2021-06-15E21003716004ND
2021-07-26E22000293001ND
2021-07-26E22000293004ND